condition mean min max Sterile Frond 1.8540953333333332 0.0 5.31877 Fertile Frond 1.6208623333333332 0.0 4.53785 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0075889 0.0 0.0227667 Root 0.0 0.0 0.0